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include(CMakeParseArguments)
# BuildLuajit(TARGET targetname CONFIGURE_COMMAND ... BUILD_COMMAND ... INSTALL_COMMAND ...)
# Reusable function to build luajit, wraps ExternalProject_Add.
# Failing to pass a command argument will result in no command being run
function(BuildLuajit)
cmake_parse_arguments(_luajit
""
"TARGET"
"CONFIGURE_COMMAND;BUILD_COMMAND;INSTALL_COMMAND"
${ARGN})
if(NOT _luajit_CONFIGURE_COMMAND AND NOT _luajit_BUILD_COMMAND
AND NOT _luajit_INSTALL_COMMAND)
message(FATAL_ERROR "Must pass at least one of CONFIGURE_COMMAND, BUILD_COMMAND, INSTALL_COMMAND")
endif()
if(NOT _luajit_TARGET)
set(_luajit_TARGET "luajit")
endif()
ExternalProject_Add(${_luajit_TARGET}
PREFIX ${DEPS_BUILD_DIR}
URL ${LUAJIT_URL}
DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/luajit
DOWNLOAD_COMMAND ${CMAKE_COMMAND}
-DPREFIX=${DEPS_BUILD_DIR}
-DDOWNLOAD_DIR=${DEPS_DOWNLOAD_DIR}/luajit
-DURL=${LUAJIT_URL}
-DEXPECTED_SHA256=${LUAJIT_SHA256}
-DTARGET=${_luajit_TARGET}
-DUSE_EXISTING_SRC_DIR=${USE_EXISTING_SRC_DIR}
-P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/DownloadAndExtractFile.cmake
CONFIGURE_COMMAND "${_luajit_CONFIGURE_COMMAND}"
BUILD_IN_SOURCE 1
BUILD_COMMAND "${_luajit_BUILD_COMMAND}"
INSTALL_COMMAND "${_luajit_INSTALL_COMMAND}")
endfunction()
set(INSTALLCMD_UNIX ${MAKE_PRG} CFLAGS=-fPIC
CFLAGS+=-DLUAJIT_DISABLE_JIT
CFLAGS+=-DLUA_USE_APICHECK
CFLAGS+=-DLUA_USE_ASSERT
CCDEBUG+=-g
Q=
install)
if(UNIX)
BuildLuaJit(INSTALL_COMMAND ${INSTALLCMD_UNIX}
CC=${DEPS_C_COMPILER} PREFIX=${DEPS_INSTALL_DIR})
elseif(MINGW AND CMAKE_CROSSCOMPILING)
# Build luajit for the host
BuildLuaJit(TARGET luajit_host
CONFIGURE_COMMAND ""
BUILD_COMMAND ""
INSTALL_COMMAND ${INSTALLCMD_UNIX}
CC=${HOST_C_COMPILER} PREFIX=${HOSTDEPS_INSTALL_DIR})
# Build luajit for the target
BuildLuaJit(
# Similar to Unix + cross - fPIC
INSTALL_COMMAND
${MAKE_PRG} PREFIX=${DEPS_INSTALL_DIR}
BUILDMODE=static install
TARGET_SYS=${CMAKE_SYSTEM_NAME}
CROSS=${CROSS_TARGET}-
HOST_CC=${HOST_C_COMPILER} HOST_CFLAGS=${HOST_C_FLAGS}
HOST_LDFLAGS=${HOST_EXE_LINKER_FLAGS}
FILE_T=luajit.exe
Q=
INSTALL_TSYMNAME=luajit.exe)
elseif(MINGW)
BuildLuaJit(BUILD_COMMAND ${CMAKE_MAKE_PROGRAM} CC=${DEPS_C_COMPILER}
PREFIX=${DEPS_INSTALL_DIR}
CFLAGS+=-DLUAJIT_DISABLE_JIT
CFLAGS+=-DLUA_USE_APICHECK
CFLAGS+=-DLUA_USE_ASSERT
CCDEBUG+=-g
BUILDMODE=static
# Build a DLL too
COMMAND ${CMAKE_MAKE_PROGRAM} CC=${DEPS_C_COMPILER} BUILDMODE=dynamic
INSTALL_COMMAND ${CMAKE_COMMAND} -E make_directory ${DEPS_INSTALL_DIR}/bin
COMMAND ${CMAKE_COMMAND} -E copy ${DEPS_BUILD_DIR}/src/luajit/src/luajit.exe ${DEPS_INSTALL_DIR}/bin
COMMAND ${CMAKE_COMMAND} -E copy ${DEPS_BUILD_DIR}/src/luajit/src/lua51.dll ${DEPS_INSTALL_DIR}/bin
COMMAND ${CMAKE_COMMAND} -E make_directory ${DEPS_INSTALL_DIR}/lib
# Luarocks searches for lua51.dll in lib
COMMAND ${CMAKE_COMMAND} -E copy ${DEPS_BUILD_DIR}/src/luajit/src/lua51.dll ${DEPS_INSTALL_DIR}/lib
COMMAND ${CMAKE_COMMAND} -E copy ${DEPS_BUILD_DIR}/src/luajit/src/libluajit.a ${DEPS_INSTALL_DIR}/lib
COMMAND ${CMAKE_COMMAND} -E make_directory ${DEPS_INSTALL_DIR}/include/luajit-2.0
COMMAND ${CMAKE_COMMAND} -DFROM_GLOB=${DEPS_BUILD_DIR}/src/luajit/src/*.h -DTO=${DEPS_INSTALL_DIR}/include/luajit-2.0 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/CopyFilesGlob.cmake
)
elseif(MSVC)
BuildLuaJit(
BUILD_COMMAND ${CMAKE_COMMAND} -E chdir ${DEPS_BUILD_DIR}/src/luajit/src ${DEPS_BUILD_DIR}/src/luajit/src/msvcbuild.bat
INSTALL_COMMAND ${CMAKE_COMMAND} -E make_directory ${DEPS_INSTALL_DIR}/bin
COMMAND ${CMAKE_COMMAND} -E copy ${DEPS_BUILD_DIR}/src/luajit/src/luajit.exe ${DEPS_INSTALL_DIR}/bin
COMMAND ${CMAKE_COMMAND} -E copy ${DEPS_BUILD_DIR}/src/luajit/src/lua51.dll ${DEPS_INSTALL_DIR}/bin
COMMAND ${CMAKE_COMMAND} -E make_directory ${DEPS_INSTALL_DIR}/lib
COMMAND ${CMAKE_COMMAND} -E copy ${DEPS_BUILD_DIR}/src/luajit/src/lua51.lib ${DEPS_INSTALL_DIR}/lib
COMMAND ${CMAKE_COMMAND} -E make_directory ${DEPS_INSTALL_DIR}/include/luajit-2.0
COMMAND ${CMAKE_COMMAND} -DFROM_GLOB=${DEPS_BUILD_DIR}/src/luajit/src/*.h -DTO=${DEPS_INSTALL_DIR}/include/luajit-2.0 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/CopyFilesGlob.cmake)
else()
message(FATAL_ERROR "Trying to build luajit in an unsupported system ${CMAKE_SYSTEM_NAME}/${CMAKE_C_COMPILER_ID}")
endif()
list(APPEND THIRD_PARTY_DEPS luajit)
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